// ajax请求函数模块
/*
返回值是Promis对象(异步返回的数据是：response.data)
*/
/* eslint-disable */
import axios from 'axios'
export default function ajax(url, data = {}, type = "GET") {

  return new Promise(function (resolve, reject) {
    //执行axios请求.
    let promise
    if (type === 'GET') {
      // 准备 url query 参数数据
      let dataStr = '' // 数据拼接字符串
      Object.keys(data).forEach(key => {
        dataStr += key + '=' + data[key] + '&'
      })
      if (dataStr !== '') {
        dataStr = dataStr.substring(0, dataStr.lastIndexOf('&'))
        url = url + '?' + dataStr
      }
      // 发送 get 请求
      promise = axios.get(url)
    } else {
      // 发送 post 请求
      promise = axios.post(url, data)
    }
    promise.then(function (response) {
      //成功执行resolve()
      resolve(response.data)
    }).catch(function (error) {
      //失败执行reject()
      reject(error)
    })
  })

}
